N5 Computer Systems Set A

What are the only symbols you can use in binary?

• 0 and 1
• 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
• 1, 2, 4, 8, 16
• 1 and 2

What is the denary number system?

• Our usual base 10 number system
• A special number system for computers
• It counts the number of dens
• De Nary's number system

True or False: The binary number for a capital 'Z' is the same as the binary number for a lower-case 'z'?

• True
• False

What kind of data does a computer represent with binary?

• everything
• numbers
• letters
• pictures

What is the binary number 0100 as a denary number?

• 4
• 10
• 1
• 2

What is the binary number 00111111 as a denary number?

• 63
• 31
• 127
• 11

How many bytes are needed store the word "Goodbye" in ASCII?

• 7
• 1
• 14
• 8

In 0.432 x 10^5 what is the mantissa?

• 6734

• 5

• 432

• 10

In 0.432 x 10^5 what is the exponent?

• 5
• 10
• 6734
• 4

What is the number 40 as a binary number?

• 10100
• 100100
• 10011
• 11000